Examples with Promise com.b2international.snowowl.core.events.util.Promise used on opensource projects

Example 6 with Promise

use of com.b2international.snowowl.core.events.util.Promise in project snow-owl by b2ihealthcare.

the class EclExpression method resolveToGroupedOnly.

private Promise<Multimap<String, Integer>> resolveToGroupedOnly(BranchContext context, Set<String> sourceIds) {
    final Set<String> characteristicTypes = isInferred() ? SnomedEclRefinementEvaluator.INFERRED_CHARACTERISTIC_TYPES : SnomedEclRefinementEvaluator.STATED_CHARACTERISTIC_TYPES;
    List<Promise<Multimap<String, Integer>>> promises = newArrayListWithCapacity(3);
    // search relationships
    promises.add(SnomedRequests.prepareSearchRelationship().all().filterByActive(true).filterByCharacteristicTypes(characteristicTypes).filterBySources(sourceIds).filterByGroup(1, Integer.MAX_VALUE).setEclExpressionForm(expressionForm).setFields(SnomedRelationshipIndexEntry.Fields.ID, SnomedRelationshipIndexEntry.Fields.SOURCE_ID, SnomedRelationshipIndexEntry.Fields.RELATIONSHIP_GROUP).build(context.service(ResourceURI.class)).execute(context.service(IEventBus.class)).then(new Function<SnomedRelationships, Multimap<String, Integer>>() {

        @Override
        public Multimap<String, Integer> apply(SnomedRelationships input) {
            final Multimap<String, SnomedRelationship> relationshipsBySource = Multimaps.index(input, SnomedRelationship::getSourceId);
            final Multimap<String, Integer> groupsByRelationshipId = Multimaps.transformValues(relationshipsBySource, SnomedRelationship::getRelationshipGroup);
            return ImmutableSetMultimap.copyOf(groupsByRelationshipId);
        }
    }));
    // search concrete domain members
    if (context.service(SnomedCoreConfiguration.class).isConcreteDomainSupported()) {
        final Options propFilter = Options.builder().put(SnomedRf2Headers.FIELD_CHARACTERISTIC_TYPE_ID, characteristicTypes).put(SearchResourceRequest.operator(SnomedRf2Headers.FIELD_RELATIONSHIP_GROUP), SearchResourceRequest.Operator.NOT_EQUALS).put(SnomedRf2Headers.FIELD_RELATIONSHIP_GROUP, 0).build();
        promises.add(SnomedRequests.prepareSearchMember().all().filterByActive(true).filterByReferencedComponent(sourceIds).filterByRefSetType(SnomedRefSetType.CONCRETE_DATA_TYPE).filterByProps(propFilter).setEclExpressionForm(expressionForm).build(context.service(ResourceURI.class)).execute(context.service(IEventBus.class)).then(members -> {
            final Multimap<String, SnomedReferenceSetMember> relationshipsBySource = Multimaps.index(members, m -> m.getReferencedComponent().getId());
            return Multimaps.transformValues(relationshipsBySource, m -> (Integer) m.getProperties().get(SnomedRf2Headers.FIELD_RELATIONSHIP_GROUP));
        }));
    } else {
        promises.add(Promise.immediate(ImmutableSetMultimap.of()));
    }
    // search owl axiom members
    if (isStated()) {
        ImmutableSetMultimap.Builder<String, Integer> groupedAxioms = ImmutableSetMultimap.builder();
        SnomedEclRefinementEvaluator.evalAxiomStatements(context, true, sourceIds, null, null).forEach(property -> groupedAxioms.put(property.getObjectId(), property.getGroup()));
        promises.add(Promise.immediate(groupedAxioms.build()));
    } else {
        promises.add(Promise.immediate(ImmutableSetMultimap.of()));
    }
    return Promise.all(promises).then(statements -> {
        Multimap<String, Integer> relationshipStatements = (Multimap<String, Integer>) statements.get(0);
        Multimap<String, Integer> concreteDomainStatements = (Multimap<String, Integer>) statements.get(1);
        Multimap<String, Integer> axiomStatements = (Multimap<String, Integer>) statements.get(2);
        return ImmutableSetMultimap.<String, Integer>builder().putAll(relationshipStatements).putAll(concreteDomainStatements).putAll(axiomStatements).build();
    });
}

Example 7 with Promise

use of com.b2international.snowowl.core.events.util.Promise in project snow-owl by b2ihealthcare.

the class SnomedEclEvaluationRequest method eval.

/**
 * Handles (possibly) filtered expression constraints by evaluating them along
 * with the primary ECL expression, and adding the resulting query expressions as
 * extra required clauses.
 *
 * @param context
 * @param filtered
 * @return
 */
protected Promise<Expression> eval(BranchContext context, final FilteredExpressionConstraint filtered) {
    final ExpressionConstraint constraint = filtered.getConstraint();
    final FilterConstraint filterConstraint = filtered.getFilter();
    final Domain filterDomain = Ecl.getDomain(filterConstraint);
    final Filter filter = filterConstraint.getFilter();
    final Promise<Expression> evaluatedConstraint = evaluate(context, constraint);
    Promise<Expression> evaluatedFilter = evaluate(context, filter);
    if (Domain.DESCRIPTION.equals(filterDomain)) {
        // Find concepts that match the description expression, then use the resulting concept IDs as the expression
        evaluatedFilter = evaluatedFilter.then(ex -> executeDescriptionSearch(context, ex));
    }
    if (isAnyExpression(constraint)) {
        // No need to combine "match all" with the filter query expression, return it directly
        return evaluatedFilter;
    }
    return Promise.all(evaluatedConstraint, evaluatedFilter).then(results -> {
        final Expressions.ExpressionBuilder builder = Expressions.builder();
        results.forEach(f -> builder.filter((Expression) f));
        return builder.build();
    });
}

Example 8 with Promise

use of com.b2international.snowowl.core.events.util.Promise in project snow-owl by b2ihealthcare.

the class SnomedEclRefinementEvaluator method evalStatements.

/**
 * Executes a SNOMED CT Relationship search request using the given source, type, destination filters.
 * If the groupedRelationshipsOnly boolean flag is <code>true</code>, then the search will match relationships that are grouped (their groupId is greater than or equals to <code>1</code>).
 * @param context - the context where the search should happen
 * @param sourceFilter - filter for relationship sources
 * @param typeFilter - filter for relationship types
 * @param destinationFilter - filter for relationship destinations
 * @param groupedRelationshipsOnly - whether the search should consider grouped relationships only or not
 * @return a {@link Promise} of {@link Collection} of {@link Property} objects that match the criteria
 * @see SnomedRelationshipSearchRequestBuilder
 */
/*package*/
static Promise<Collection<Property>> evalStatements(final BranchContext context, final Collection<String> sourceFilter, final Collection<String> typeFilter, final Collection<String> destinationFilter, final boolean groupedRelationshipsOnly, final String expressionForm) {
    final ImmutableList.Builder<String> fieldsToLoad = ImmutableList.builder();
    fieldsToLoad.add(SnomedDocument.Fields.ID, SOURCE_ID, TYPE_ID, DESTINATION_ID);
    if (groupedRelationshipsOnly) {
        fieldsToLoad.add(RELATIONSHIP_GROUP);
    }
    SnomedRelationshipSearchRequestBuilder searchRelationships = SnomedRequests.prepareSearchRelationship().filterByActive(true).filterBySources(sourceFilter).filterByTypes(typeFilter).filterByDestinations(destinationFilter).filterByCharacteristicTypes(getCharacteristicTypes(expressionForm)).setEclExpressionForm(expressionForm).setFields(fieldsToLoad.build()).setLimit(context.service(RepositoryConfiguration.class).getIndexConfiguration().getResultWindow());
    // if a grouping refinement, then filter relationships with group >= 1
    if (groupedRelationshipsOnly) {
        searchRelationships.filterByGroup(1, Integer.MAX_VALUE);
    }
    Promise<Collection<Property>> relationshipSearch = searchRelationships.transformAsync(context, req -> req.build(context.service(ResourceURI.class)), relationships -> relationships.stream().map(r -> new Property(r.getSourceId(), r.getTypeId(), r.getDestinationId(), r.getRelationshipGroup())));
    if (Trees.STATED_FORM.equals(expressionForm)) {
        final Set<Property> axiomStatements = evalAxiomStatements(context, groupedRelationshipsOnly, sourceFilter, typeFilter, destinationFilter);
        return relationshipSearch.then(relationshipStatements -> ImmutableSet.<Property>builder().addAll(relationshipStatements).addAll(axiomStatements).build());
    } else {
        return relationshipSearch;
    }
}

Example 9 with Promise

use of com.b2international.snowowl.core.events.util.Promise in project snow-owl by b2ihealthcare.

the class SnomedEclRefinementEvaluator method evalAxiomsWithValue.

private Promise<Collection<Property>> evalAxiomsWithValue(BranchContext context, Set<String> focusConceptIds, Collection<String> typeIds, RelationshipValue value, SearchResourceRequest.Operator operator) {
    // search existing axioms defined for the given set of conceptIds
    ExpressionBuilder axiomFilter = Expressions.builder();
    if (typeIds != null) {
        axiomFilter.filter(typeIds(typeIds));
    }
    switch(operator) {
        case EQUALS:
            axiomFilter.filter(values(List.of(value)));
            break;
        case GREATER_THAN:
            axiomFilter.filter(valueGreaterThan(value, false));
            break;
        case GREATER_THAN_EQUALS:
            axiomFilter.filter(valueGreaterThan(value, true));
            break;
        case LESS_THAN:
            axiomFilter.filter(valueLessThan(value, false));
            break;
        case LESS_THAN_EQUALS:
            axiomFilter.filter(valueLessThan(value, true));
            break;
        case NOT_EQUALS:
            axiomFilter.mustNot(values(List.of(value)));
            break;
        default:
            throw new IllegalStateException("Unexpected operator '" + operator + "'.");
    }
    ExpressionBuilder activeOwlAxiomMemberQuery = Expressions.builder().filter(active()).filter(Expressions.nestedMatch(SnomedRefSetMemberIndexEntry.Fields.CLASS_AXIOM_RELATIONSHIP, axiomFilter.build()));
    if (focusConceptIds != null) {
        activeOwlAxiomMemberQuery.filter(SnomedRefSetMemberIndexEntry.Expressions.referencedComponentIds(focusConceptIds));
    }
    final Query<SnomedRefSetMemberIndexEntry> activeAxiomStatementsQuery = Query.select(SnomedRefSetMemberIndexEntry.class).where(activeOwlAxiomMemberQuery.build()).limit(context.service(RepositoryConfiguration.class).getIndexConfiguration().getResultWindow()).build();
    final Set<Property> axiomProperties = newHashSet();
    context.service(RevisionSearcher.class).stream(activeAxiomStatementsQuery).forEach(chunk -> {
        chunk.stream().filter(owlMember -> !CompareUtils.isEmpty(owlMember.getClassAxiomRelationships())).forEachOrdered(owlMember -> {
            owlMember.getClassAxiomRelationships().stream().filter(r -> typeIds == null || typeIds.contains(r.getTypeId())).filter(r -> r.getValueAsObject().matches(operator, value)).map(r -> new Property(owlMember.getReferencedComponentId(), r.getTypeId(), r.getValueAsObject().toObject(), r.getRelationshipGroup())).forEachOrdered(axiomProperties::add);
        });
    });
    return Promise.immediate(axiomProperties);
}

Example 10 with Promise

use of com.b2international.snowowl.core.events.util.Promise in project snow-owl by b2ihealthcare.

the class SnomedEclRefinementEvaluator method evalRefinement.

/**
 * Evaluates an {@link AttributeConstraint} refinement on the given focusConceptId set on the given {@link BranchContext}.
 * Grouped parameter can
 */
private Promise<Collection<Property>> evalRefinement(final BranchContext context, final AttributeConstraint refinement, final boolean grouped, final Set<String> focusConceptIds) {
    final Comparison comparison = refinement.getComparison();
    final Collection<String> typeConceptFilter = evalToConceptIds(context, refinement.getAttribute(), expressionForm).getSync(1, TimeUnit.MINUTES);
    if (comparison instanceof AttributeComparison) {
        // resolve non-* focusConcept ECLs to IDs, so we can filter relationships by source/destination
        // filterByType and filterByDestination accepts ECL expressions as well, so serialize them into ECL and pass as String when required
        // if reversed refinement, then we are interested in the destinationIds otherwise we need the sourceIds
        final Collection<String> destinationConceptFilter = evalToConceptIds(context, ((AttributeComparison) comparison).getValue(), expressionForm).getSync(1, TimeUnit.MINUTES);
        final Collection<String> focusConceptFilter = refinement.isReversed() ? destinationConceptFilter : focusConceptIds;
        final Collection<String> valueConceptFilter = refinement.isReversed() ? focusConceptIds : destinationConceptFilter;
        return evalStatements(context, focusConceptFilter, typeConceptFilter, valueConceptFilter, grouped, expressionForm);
    } else if (comparison instanceof DataTypeComparison) {
        if (refinement.isReversed()) {
            throw new BadRequestException("Reversed flag is not supported in data type based comparison (string/numeric)");
        } else {
            final Promise<Collection<Property>> statementsWithValue = evalStatementsWithValue(context, focusConceptIds, typeConceptFilter, (DataTypeComparison) comparison);
            final Promise<Collection<Property>> members = evalMembers(context, focusConceptIds, typeConceptFilter, (DataTypeComparison) comparison);
            return Promise.all(statementsWithValue, members).then(results -> {
                final Collection<Property> s = (Collection<Property>) results.get(0);
                final Collection<Property> m = (Collection<Property>) results.get(1);
                return FluentIterable.concat(s, m).toSet();
            });
        }
    } else {
        return SnomedEclEvaluationRequest.throwUnsupported(comparison);
    }
}